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With cutting-edge technology and innovative features, the TC1232EOA sets the benchmark for microprocessor monitors

ISO14001 ISO9001 DUNS

Brands: Microchip

Mfr.Part #: TC1232EOA

Datasheet: TC1232EOA Datasheet (PDF)

Package/Case: SOIC-8

Product Type: Supervisors

RoHS Status:

Stock Condition: 9,762 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

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TC1232EOA General Description

The TC1232EOA by Microchip Technology is a reliable voltage detector that offers precision monitoring of supply voltage in various applications. With a fixed threshold voltage of 2.93V and a reset timeout period of 32ms, this device ensures that your digital systems receive a timely reset signal when power drops below the required level. This feature is crucial in preventing system malfunctions and ensuring consistent performance, especially in battery-powered equipment and portable devices


  • Autorange Frequency: 100 Hz to 2.4 kHz
  • Resolution: 0.1 Hz steps
  • No External Components Required


  • Reliable monitoring for safety
  • Compact design for versatility
  • Precision in voltage detection


Parameter Value Parameter Value
Product Category Supervisory Circuits RoHS Details
Type Voltage Monitor Mounting Style SMD/SMT
Package / Case SOIC-8 Threshold Voltage Adjustable
Number of Inputs Monitored 1 Input Output Type Active High, Active Low, Open Drain, Push-Pull
Manual Reset Manual Reset Watchdog Timers Watchdog
Battery Backup Switching No Backup Reset Delay Time 1.2 s
Supply Voltage - Max 5.5 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature + 85 C Series TC1232
Brand Microchip Technology Chip Enable Signals No Chip Enable
Height 1.42 mm Length 4.9 mm
Moisture Sensitive Yes Operating Supply Current 200 uA
Operating Supply Voltage 5 V Output Current - 12 mA
Overvoltage Threshold 4.74 V, 4.49 V Power Fail Detection Yes
Product Type Supervisory Circuits Factory Pack Quantity 100
Subcategory PMIC - Power Management ICs Supply Voltage - Min 4 V
Undervoltage Threshold 4.5 V, 4.25 V Width 3.91 mm
Unit Weight 0.019048 oz


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The TC1232EOA is a precision voltage monitor and watchdog timer chip commonly used in embedded systems. It monitors the power supply voltage and resets the system if the voltage falls below a certain threshold, ensuring reliable operation. It has a low power consumption and is available in a small surface-mount package, making it ideal for applications where space and power efficiency are important.
  • Equivalent

    The equivalent products of the TC1232EOA chip are the MAX1232, ADM1232, and CAT1232.
  • Features

    The TC1232EOA is a precision supply voltage supervisor with watchdog timer functionality. It features a programmable reset threshold, manual reset input, watchdog timer input, power supply monitoring, and low-power consumption. It is available in a small SOT-23 package, making it suitable for various applications requiring reliable voltage monitoring and reset functionality.
  • Pinout

    The TC1232EOA is a microprocessor supervisory circuit with a watchdog timer. It has 8 pins: VCC, GND, RESET, GATE, WDI, RST, GND, and VCC. VCC is the power supply, GND is the ground, RESET is active-low output, GATE is the power-up reset delay control, WDI is the watchdog input, and RST is the push-pull reset output.
  • Manufacturer

    Microchip Technology is the manufacturer of TC1232EOA. It is a leading provider of microcontroller, mixed-signal, analog, and Flash-IP solutions. They serve a wide range of industries including automotive, aerospace, communications, and consumer markets. The TC1232EOA is a voltage supervisor designed to monitor power supplies and battery voltages to prevent system errors and data loss.
  • Application Field

    TC1232EOA is a voltage detector IC mainly used in applications where an accurate under-voltage detection is required, such as in battery-powered devices, power management systems, and microcontroller reset circuits. It provides a low-cost solution for monitoring voltage levels and triggering a reset signal when the voltage drops below a certain threshold.
  • Package

    The TC1232EOA chip comes in a 3-SOT-23 package with a form of surface mount and a size of 2.9 mm x 1.6 mm.


Microchip Technology



Toshiba Semiconductor and Storage



Diodes Incorporated



Toshiba Semiconductor and Storage



Toshiba Semiconductor and Storage

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